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28

SPAA
2010
ACM

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129views Distributed And Parallel Com...» more SPAA 2010»

Managing the complexity of lookahead for LU factorization with pivoting

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Managing the complexity of lookahead for LU factorization with pivoting

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We describe parallel implementations of LU factorization with pivoting for multicore architectures. Implementations that differ in two different dimensions are discussed: (1) using classical partial pivoting versus recently proposed incremental pivoting and (2) extracting parallelism only within the Basic Linear Algebra Subprograms versus building and scheduling a directed acyclic graph of tasks. Performance comparisons are given on two different systems. Categories and Subject Descriptors

Ernie Chan, Robert A. van de Geijn, Andrew Chapman

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Basic Linear Algebra Subprograms | Distributed And Parallel Computing | Incremental Pivoting | Pivoting | SPAA 2010 |

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Added	30 Jan 2011
Updated	30 Jan 2011
Type	Journal
Year	2010
Where	SPAA
Authors	Ernie Chan, Robert A. van de Geijn, Andrew Chapman

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